<?php
/*
 * Copyright (c) 2009 Tom Smith (tom@takeontom.com).
 * 
 * Distributed under the terms of the GNU Lesser General Public License.
 * 
 * ---------------------------------------------------------------------------------
 * 
 * This file is part of Seraph PHP Framework.
 *
 * Seraph PHP Framework is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Seraph PHP Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Seraph PHP Framework.  If not, see <http://www.gnu.org/licenses/>.
*/


class ModelAutoloader implements IAutoloader	{
	protected $modelDir;
	
	public function setModelDir($modelDir)	{
		$this->modelDir = $modelDir;
	}
	public function getModelDir()	{
		return $this->modelDir;
	}
	
	/**
	 * (non-PHPdoc)
	 * @see src/framework/Autoloader/IAutoloader#loadClass()
	 */
	public function loadClass($className)	{
		$filePath = $this->getModelDir() . '/' . $className . '.php';
		
		if (file_exists($filePath))	{
			include($filePath);
			return true;
		}
		
		if (Model::isClassNameAnEntity($className))	{
			$this->createNewVirtualEntityClass($className);
		}
		
		return false;
	}
	
	/**
	 * Creates a class for the supplied class name which will
	 * extend Entity.
	 * 
	 * Allows for coolness.
	 * 
	 * @param $className
	 * @return bool
	 */
	public function createNewVirtualEntityClass($className)	{
		$classDefFormat = '
class %1$s extends Entity	{

}
';
		$classDef = sprintf($classDefFormat, $className);
		
		eval($classDef);
		
		return true;
	}
}
?>